IT1212667B - Circuito estrattore dei segnali di temporizzazione dal ricevitore di un modem per trasmissione di dati - Google Patents

Circuito estrattore dei segnali di temporizzazione dal ricevitore di un modem per trasmissione di dati

Info

Publication number
IT1212667B
IT1212667B IT8268116A IT6811682A IT1212667B IT 1212667 B IT1212667 B IT 1212667B IT 8268116 A IT8268116 A IT 8268116A IT 6811682 A IT6811682 A IT 6811682A IT 1212667 B IT1212667 B IT 1212667B
Authority
IT
Italy
Prior art keywords
modem
receiver
data transmission
extractor circuit
timer signals
Prior art date
Application number
IT8268116A
Other languages
English (en)
Italian (it)
Other versions
IT8268116A0 (it
Inventor
Philip Frederick Kromer Iii
Original Assignee
Racal Data Communications Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Racal Data Communications Inc filed Critical Racal Data Communications Inc
Publication of IT8268116A0 publication Critical patent/IT8268116A0/it
Application granted granted Critical
Publication of IT1212667B publication Critical patent/IT1212667B/it

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/02—Speed or phase control by the received code signals, the signals containing no special synchronisation information
    • H04L7/027—Speed or phase control by the received code signals, the signals containing no special synchronisation information extracting the synchronising or clock signal from the received signal spectrum, e.g. by using a resonant or bandpass circuit

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
IT8268116A 1981-09-21 1982-09-20 Circuito estrattore dei segnali di temporizzazione dal ricevitore di un modem per trasmissione di dati IT1212667B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/304,044 US4455665A (en) 1981-09-21 1981-09-21 Data modem clock extraction circuit

Publications (2)

Publication Number Publication Date
IT8268116A0 IT8268116A0 (it) 1982-09-20
IT1212667B true IT1212667B (it) 1989-11-30

Family

ID=23174801

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8268116A IT1212667B (it) 1981-09-21 1982-09-20 Circuito estrattore dei segnali di temporizzazione dal ricevitore di un modem per trasmissione di dati

Country Status (13)

Country Link
US (1) US4455665A (fr)
JP (1) JPS58501491A (fr)
KR (1) KR880001166B1 (fr)
AR (1) AR230135A1 (fr)
AU (1) AU8958482A (fr)
BE (1) BE894459A (fr)
CA (1) CA1196992A (fr)
DE (1) DE3249021T1 (fr)
FR (1) FR2513460B1 (fr)
GB (1) GB2122850B (fr)
IT (1) IT1212667B (fr)
NZ (1) NZ201807A (fr)
WO (1) WO1983001165A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4701874A (en) * 1983-04-06 1987-10-20 Nec Corporation Digital signal processing apparatus
US4797898A (en) * 1986-11-21 1989-01-10 Racal Data Communications Inc. Method and apparatus for equalization of data transmission system
US4862484A (en) * 1988-01-21 1989-08-29 Harris Corporation Apparatus for clock recovery from digital data
US4853944A (en) * 1988-03-10 1989-08-01 Allied-Signal Inc. Digital AM/FM/φM demodulator
CA1311033C (fr) * 1988-03-19 1992-12-01 Shinji Ohta Circuit pour extraire un signal d'horloge precis d'un signal recu
US4943974A (en) * 1988-10-21 1990-07-24 Geostar Corporation Detection of burst signal transmissions
US5031173A (en) * 1989-08-15 1991-07-09 Unisys Corporation Decoder for added asynchronous bit sequences
US5793821A (en) * 1995-06-07 1998-08-11 3Com Corporation Timing Recovery using group delay compensation

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA648073A (en) * 1960-08-15 1962-09-04 Western Electric Company, Incorporated Electric wave synchronization
US3393308A (en) * 1963-07-12 1968-07-16 Bendix Corp Electronic function generator
US3524023A (en) * 1966-07-14 1970-08-11 Milgo Electronic Corp Band limited telephone line data communication system
FR1550432A (fr) * 1967-11-08 1968-12-20
JPS5117846B1 (fr) * 1970-05-23 1976-06-05
US3921075A (en) * 1973-01-29 1975-11-18 Adar Inc Radio teletype detector circuit
US4070588A (en) * 1975-11-10 1978-01-24 Northern Electric Company Limited Limiter circuit for timing recovery in a high speed digital repeater
US4203070A (en) * 1978-08-08 1980-05-13 The Charles Stark Draper Laboratory, Inc. Pseudo-random-number code detection and tracking system
US4190896A (en) * 1978-09-05 1980-02-26 Bell Telephone Laboratories, Incorporated Circuits having substantially parabolic output versus linear input characteristics
DE2854039C2 (de) * 1978-12-12 1984-07-12 Heinrich-Hertz-Institut für Nachrichtentechnik Berlin GmbH, 1000 Berlin Verfahren und Phasenregelkreis zum Synchronisieren eines Ausgangssignals mit einem Eingangssignal unregelmäßiger und/oder stark ausgedünnter Flankendichte
AU6193080A (en) * 1979-09-19 1981-03-26 Plessey Overseas Ltd. Timing recovery for modems
US4344176A (en) * 1980-04-03 1982-08-10 Codex Corporation Time recovery circuitry in a modem receiver

Also Published As

Publication number Publication date
IT8268116A0 (it) 1982-09-20
JPS58501491A (ja) 1983-09-01
JPH0434856B2 (fr) 1992-06-09
FR2513460B1 (fr) 1986-04-11
BE894459A (fr) 1983-01-17
AU8958482A (en) 1983-04-08
AR230135A1 (es) 1984-02-29
KR840001724A (ko) 1984-05-16
WO1983001165A1 (fr) 1983-03-31
NZ201807A (en) 1985-12-13
DE3249021C2 (fr) 1991-04-25
GB2122850A (en) 1984-01-18
KR880001166B1 (ko) 1988-07-02
DE3249021T1 (de) 1983-11-17
GB2122850B (en) 1985-07-31
FR2513460A1 (fr) 1983-03-25
CA1196992A (fr) 1985-11-19
US4455665A (en) 1984-06-19
GB8312019D0 (en) 1983-06-08

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19940928